Changing Ideas About Space

Question 1

You are writing a short paragraph for a school booklet about how ancient people viewed the solar system. Which sentence correctly describes the ancient model that placed Earth at the center and correctly names its main supporter?

Accepted Answer

The ancient geocentric model said that Earth stays still while the Sun, planets, and stars all revolve around it; this idea was most famously supported by Ptolemy.

Answer

The ancient geocentric model placed the Sun at the center of the universe and was first described by Ptolemy.

Answer

The ancient heliocentric model said that Earth circles the Sun, and Ptolemy was the first to suggest this.

Answer

The ancient geocentric model claimed that Earth and the Moon circle the Sun, and it was introduced by Copernicus.

Question 2

You are writing a short script for your school’s science reenactment about how ideas of the solar system changed. Which sentence correctly describes the model that puts the Sun at the center and also names the person who first proposed that model?

Accepted Answer

The heliocentric model places the Sun in the middle of the solar system, and it was first suggested by Nicolaus Copernicus.

Answer

The heliocentric model places the Earth at the center of the solar system, and it was first suggested by Nicolaus Copernicus.

Answer

The heliocentric model places the Sun in the middle of the solar system, and it was first suggested by Galileo Galilei.

Answer

The heliocentric model places the Sun in the middle of the solar system, and it was first suggested by Ptolemy.

Question 3

You are helping your class make a poster about how scientists once thought the solar system worked. Which sentence correctly describes the model that puts the Sun at the center and names the astronomer who first suggested it?

Accepted Answer

The Sun is at the middle of the solar system; this idea was first introduced by Nicolaus Copernicus.

Answer

The Earth is at the middle of the solar system; this idea was first introduced by Copernicus.

Answer

The Sun is at the middle of the solar system; this idea was first introduced by Galileo Galilei.

Answer

The Earth is at the middle of the solar system; this idea was first introduced by Ptolemy.

Try three questions

You are writing a short paragraph for a school booklet about how ancient people viewed the solar system. Which sentence correctly describes the ancient model that placed Earth at the center and correctly names its main supporter?

You are writing a short script for your school’s science reenactment about how ideas of the solar system changed. Which sentence correctly describes the model that puts the Sun at the center and also names the person who first proposed that model?

You are helping your class make a poster about how scientists once thought the solar system worked. Which sentence correctly describes the model that puts the Sun at the center and names the astronomer who first suggested it?

Keep going on this shelf